5) Why is #PVSI in June/July important? Because it is positively correlated w/ PVSI but negatively correlated with #ACE later in the #hurricane season (Aug-Nov).ZERO #hurricane seasons with #PVSI >30 σ x10^4 in Jun-Jul have had above normal ACE in the #NATL basin in Aug-Nov. pic.twitter.com/gFt1Umd1De
-- Philippe Papin (@pppapin) August 4, 2018